Triangle Calculator
Triangle Calculator calculates and draws any triangle, it finds the missing angles, heights (altitudes) and edges for you.
2-solution calculator
Find the immediate answers for your construction projects (roof calculations, step hand rails, etc.) in engineering, at school, etc...
This triangle solver as a trigonometry calculator applies the trigonometric functions of Heron's formula, The Law of Cosines and Sines and the Pythagorean Theorem. It's triangular calculation engine will also calculate the triangle if you only know two altitudes + an angle or side.
In case of SSA or other scenarios with insufficient data for congruence, the trigonometry calculator will present a second solution if available.
Impossible, insufficient or conflicting data will be answered with an error.
SSS (side, side, side)
ASA (side, angle, side) two interior angles and the included side
SSA (side, side, angle) If the angle given is opposite to the longer
side of the two sides, then the triangles are congruent.
If the angle given is opposite to the shorter side the trigonometry calculator will provide a second solution (press the button CALC 2nd).
AAS two angles and a corresponding (non-included) side
Various combinations with altitudes and an angle or side
Triangle Calculator is a trigonometry calculator which solves all types of triangles.
Those are mostly classified according to their internal angles.
Right triangles (or right-angled triangles, formerly called rectangled triangles) have one of their interior angles at 90° (right angle).
The side opposite to the right angle is the hypotenuse, the longest side of the triangle.
The other two sides are called the legs (or catheti) of the triangle.
Right triangles obey the Pythagorean theorem: the sum of the squares of the lengths of the two legs is equal to the square of the length of the hypotenuse:
a2 + b2 = c2, where a and b are the lengths of the legs and c is the length of the hypotenuse.
Triangles that do not have an angle measuring 90° are called oblique triangles.
A triangle with all interior angles measuring less than 90° is an acute triangle.
A triangle with one interior angle measuring more than 90° is an obtuse triangle.
this triangle calculator is your solution to:
Solve any triangle
Calculate any triangle
Find triangles
Calculate the angles of triangles
roofing calculator
It`s internal math engine comprises of an:
- angles calculator
- hypotenuse calculator
- pythagorean calculator
- altitude calculator
- angle finder
------
- degrees to radians will be implemented in a future version
2-solution calculator
Find the immediate answers for your construction projects (roof calculations, step hand rails, etc.) in engineering, at school, etc...
This triangle solver as a trigonometry calculator applies the trigonometric functions of Heron's formula, The Law of Cosines and Sines and the Pythagorean Theorem. It's triangular calculation engine will also calculate the triangle if you only know two altitudes + an angle or side.
In case of SSA or other scenarios with insufficient data for congruence, the trigonometry calculator will present a second solution if available.
Impossible, insufficient or conflicting data will be answered with an error.
SSS (side, side, side)
ASA (side, angle, side) two interior angles and the included side
SSA (side, side, angle) If the angle given is opposite to the longer
side of the two sides, then the triangles are congruent.
If the angle given is opposite to the shorter side the trigonometry calculator will provide a second solution (press the button CALC 2nd).
AAS two angles and a corresponding (non-included) side
Various combinations with altitudes and an angle or side
Triangle Calculator is a trigonometry calculator which solves all types of triangles.
Those are mostly classified according to their internal angles.
Right triangles (or right-angled triangles, formerly called rectangled triangles) have one of their interior angles at 90° (right angle).
The side opposite to the right angle is the hypotenuse, the longest side of the triangle.
The other two sides are called the legs (or catheti) of the triangle.
Right triangles obey the Pythagorean theorem: the sum of the squares of the lengths of the two legs is equal to the square of the length of the hypotenuse:
a2 + b2 = c2, where a and b are the lengths of the legs and c is the length of the hypotenuse.
Triangles that do not have an angle measuring 90° are called oblique triangles.
A triangle with all interior angles measuring less than 90° is an acute triangle.
A triangle with one interior angle measuring more than 90° is an obtuse triangle.
this triangle calculator is your solution to:
Solve any triangle
Calculate any triangle
Find triangles
Calculate the angles of triangles
roofing calculator
It`s internal math engine comprises of an:
- angles calculator
- hypotenuse calculator
- pythagorean calculator
- altitude calculator
- angle finder
------
- degrees to radians will be implemented in a future version
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Reviews (11)
vit. x.
Apr 5, 2020
It works. The only issue is that the developer needs to identify edges abc on the drawing, as it may be confusing for a novice person to understand.
Dav. J.
May 30, 2019
if you give it 2 sides and a 90 degree angle, it should be easy to calculate the rest, but it can't.
Ron. L.
Nov 16, 2019
Works great but can you label the sides a,b,c
Jef. T.
Feb 18, 2021
Needs to have more of a dummy mode
Aja. S.
Jan 8, 2022
Best for what I needed it for.
Den. R.
Nov 8, 2021
It's simplified my work
Mig. S.
May 27, 2022
Good and cool
Gly. M.
May 3, 2018
Works very well not like others , does have some ads but for free best one out there and realy easy to use: cheeers
Abd. K. A.
Jan 5, 2018
Thanks for beneficial app
Fab. S.
Jan 13, 2017
It's really easy and fast to use and it just takes a few taps! It comes in handy during school helping you with your homework.
This app will be even more useful if another option is added in it to calculate the area of a quadrilateral in the same way by drawing its diagonal creating two adjacent triangles and solving it in single go. Then it will be a great app for users. Thanks.